The plan was reissued. The plan was sent before and it was added again.

This oxygen generator is used for people who need to inhale oxygen at home for a long time. The product is small and portable, equipped with integrated tie rods and wheels. When users need to go out for ventilation indoors for a long time, it is easy to move. At the same time, it can be considered for people traveling in plateau areas, and its small size does not occupy too much space in the car.